Rank	Countries/Territories	Count	Percent
1	United States	346	32.2%
2	China	342	31.8%
3	Germany	114	10.6%
4	Canada	47	4.4%
5	Russia	45	4.2%
6	France	36	3.3%
7	Japan	29	2.7%
8	India	28	2.6%
9	Netherlands	12	1.1%
10	Norway	9	0.8%
11	Cyprus	9	0.8%
12	United Kingdom	8	0.7%
13	Singapore	7	0.7%
14		4	0.4%
15	Australia	4	0.4%
16	Bangladesh	4	0.4%
17	Spain	3	0.3%
18	Switzerland	3	0.3%
19	Morocco	3	0.3%
20	Hungary	2	0.2%
21	Taiwan	2	0.2%
22	Brazil	2	0.2%
23	Bulgaria	2	0.2%
24	Argentina	2	0.2%
25	Estonia	2	0.2%
26	Korea, Republic of	2	0.2%
27	Lithuania	2	0.2%
28	Mexico	2	0.2%
29	Mongolia	2	0.2%
30	Hong Kong	1	0.1%
31	Ireland	1	0.1%